The family claims descent from the Bhatti founder of Jaisalmer, Jaisal. His third son Rai Hem, left the family domains after the usual quarrel and carved out a small principality for himself around Bhatinda and Bhatner. His successor in the fourth degree, Khiwa, fell on hard times ad was forced to move to Kot Ladwa, where he married a girl from the Jat Basehra caste, against the clan traditions of the Rajputs. Thereafter many quarrels ensued between his descendants at the Bhattis. The Mughals appointed his descendant Mehraj in 1526. This office became hereditary amongst his descendants until Phul, the Sikh ancestor of the dynasty, which came to rule over Patiala, Jind and Nabha The state was established in 1763 after the capture of Sirhind by the Sikh Confederacy. With the capture of Sirhind, most of the old imperial province was divided amongst the Phulkian chiefs. The area around Amloh was taken by the chief of the Nabha — Hamir Singh.
The state entered a period of prosperity under the rule of Hira Singh. The state had built a residence Nabha House in Delhi, also one Nabha House in pilgrimage town of Kurukshetra, situated opposite to the Sannihit Sarovar